000 00320nam a22001337a 4500
999 _c253299
_d253299
020 _a9788172337551
082 _a363.7
_bTHA/TE
100 _aThakur,Vidya
245 _aA Text book of Environmental Science
260 _aJodhpur
_bScientific publishers
_c2012
300 _a307
546 _aEnglish
942 _2ddc
_cBK